static const AVOption sdp_options[] = {
RTSP_FLAG_OPTS("sdp_flags", "SDP flags"),
+ { "custom_io", "Use custom IO", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_CUSTOM_IO}, 0, 0, DEC, "rtsp_flags" },
RTSP_MEDIATYPE_OPTS("allowed_media_types", "Media types to accept from the server"),
RTSP_REORDERING_OPTS(),
{ NULL },
AVCodec *c;
const char *c_name;
- /* Loop into AVRtpDynamicPayloadTypes[] and AVRtpPayloadTypes[] and
- * see if we can handle this kind of payload.
+ /* See if we can handle this kind of payload.
* The space should normally not be there but some Real streams or
* particular servers ("RealServer Version 6.1.3.970", see issue 1658)
* have a trailing space. */
if (payload_type < RTP_PT_PRIVATE) {
/* We are in a standard case
* (from http://www.iana.org/assignments/rtp-parameters). */
- /* search into AVRtpPayloadTypes[] */
codec->codec_id = ff_rtp_codec_id(buf, codec->codec_type);
}
i = atoi(buf);
if (i > 0)
codec->channels = i;
- // TODO: there is a bug here; if it is a mono stream, and
- // less than 22000Hz, faad upconverts to stereo and twice
- // the frequency. No problem, but the sample rate is being
- // set here by the sdp line. Patch on its way. (rdm)
}
av_log(s, AV_LOG_DEBUG, "audio samplerate set to: %i\n",
codec->sample_rate);
get_word(buf1, sizeof(buf1), &p); /* protocol */
if (!strcmp(buf1, "udp"))
rt->transport = RTSP_TRANSPORT_RAW;
+ else if (strstr(buf1, "/AVPF") || strstr(buf1, "/SAVPF"))
+ rtsp_st->feedback = 1;
/* XXX: handle list of formats */
get_word(buf1, sizeof(buf1), &p); /* format list */
rtsp_st->dynamic_protocol_context,
rtsp_st->dynamic_handler);
else if (CONFIG_RTPDEC)
- rtsp_st->transport_priv = ff_rtp_parse_open(s, st, rtsp_st->rtp_handle,
+ rtsp_st->transport_priv = ff_rtp_parse_open(s, st,
rtsp_st->sdp_payload_type,
reordering_queue_size);
}
}
+static int pick_stream(AVFormatContext *s, RTSPStream **rtsp_st,
+ const uint8_t *buf, int len)
+{
+ RTSPState *rt = s->priv_data;
+ int i;
+ if (len < 0)
+ return len;
+ if (rt->nb_rtsp_streams == 1) {
+ *rtsp_st = rt->rtsp_streams[0];
+ return len;
+ }
+ if (len >= 8 && rt->transport == RTSP_TRANSPORT_RTP) {
+ if (RTP_PT_IS_RTCP(rt->recvbuf[1])) {
+ int no_ssrc = 0;
+ for (i = 0; i < rt->nb_rtsp_streams; i++) {
+ RTPDemuxContext *rtpctx = rt->rtsp_streams[i]->transport_priv;
+ if (!rtpctx)
+ continue;
+ if (rtpctx->ssrc == AV_RB32(&buf[4])) {
+ *rtsp_st = rt->rtsp_streams[i];
+ return len;
+ }
+ if (!rtpctx->ssrc)
+ no_ssrc = 1;
+ }
+ if (no_ssrc) {
+ av_log(s, AV_LOG_WARNING,
+ "Unable to pick stream for packet - SSRC not known for "
+ "all streams\n");
+ return AVERROR(EAGAIN);
+ }
+ } else {
+ for (i = 0; i < rt->nb_rtsp_streams; i++) {
+ if ((buf[1] & 0x7f) == rt->rtsp_streams[i]->sdp_payload_type) {
+ *rtsp_st = rt->rtsp_streams[i];
+ return len;
+ }
+ }
+ }
+ }
+ av_log(s, AV_LOG_WARNING, "Unable to pick stream for packet\n");
+ return AVERROR(EAGAIN);
+}
+
int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
{
RTSPState *rt = s->priv_data;
rt->cur_transport_priv = NULL;
}
+redo:
if (rt->transport == RTSP_TRANSPORT_RTP) {
int i;
int64_t first_queue_time = 0;
first_queue_st = rt->rtsp_streams[i];
}
}
- if (first_queue_time)
+ if (first_queue_time) {
wait_end = first_queue_time + s->max_delay;
+ } else {
+ wait_end = 0;
+ first_queue_st = NULL;
+ }
}
/* read next RTP packet */
- redo:
if (!rt->recvbuf) {
rt->recvbuf = av_malloc(RECVBUF_SIZE);
if (!rt->recvbuf)
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
len = udp_read_packet(s, &rtsp_st, rt->recvbuf, RECVBUF_SIZE, wait_end);
if (len > 0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)
- ff_rtp_check_and_send_back_rr(rtsp_st->transport_priv, len);
+ ff_rtp_check_and_send_back_rr(rtsp_st->transport_priv, rtsp_st->rtp_handle, NULL, len);
+ break;
+ case RTSP_LOWER_TRANSPORT_CUSTOM:
+ if (first_queue_st && rt->transport == RTSP_TRANSPORT_RTP &&
+ wait_end && wait_end < av_gettime())
+ len = AVERROR(EAGAIN);
+ else
+ len = ffio_read_partial(s->pb, rt->recvbuf, RECVBUF_SIZE);
+ len = pick_stream(s, &rtsp_st, rt->recvbuf, len);
+ if (len > 0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)
+ ff_rtp_check_and_send_back_rr(rtsp_st->transport_priv, NULL, s->pb, len);
break;
}
if (len == AVERROR(EAGAIN) && first_queue_st &&
ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len);
} else if (rt->transport == RTSP_TRANSPORT_RTP) {
ret = ff_rtp_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len);
+ if (rtsp_st->feedback) {
+ AVIOContext *pb = NULL;
+ if (rt->lower_transport == RTSP_LOWER_TRANSPORT_CUSTOM)
+ pb = s->pb;
+ ff_rtp_send_rtcp_feedback(rtsp_st->transport_priv, rtsp_st->rtp_handle, pb);
+ }
if (ret < 0) {
/* Either bad packet, or a RTCP packet. Check if the
* first_rtcp_ntp_time field was initialized. */
if (s->max_delay < 0) /* Not set by the caller */
s->max_delay = DEFAULT_REORDERING_DELAY;
+ if (rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)
+ rt->lower_transport = RTSP_LOWER_TRANSPORT_CUSTOM;
/* read the whole sdp file */
/* XXX: better loading */
char namebuf[50];
rtsp_st = rt->rtsp_streams[i];
- getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),
- namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
- ff_url_join(url, sizeof(url), "rtp", NULL,
- namebuf, rtsp_st->sdp_port,
- "?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,
- rtsp_st->sdp_ttl,
- rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);
- if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
- &s->interrupt_callback, NULL) < 0) {
- err = AVERROR_INVALIDDATA;
- goto fail;
+ if (!(rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)) {
+ getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),
+ namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
+ ff_url_join(url, sizeof(url), "rtp", NULL,
+ namebuf, rtsp_st->sdp_port,
+ "?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,
+ rtsp_st->sdp_ttl,
+ rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);
+ if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
+ err = AVERROR_INVALIDDATA;
+ goto fail;
+ }
}
if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
projects / ffmpeg / blobdiff